Dissection of the thorax and abdomen, shown in situ. Anterior thoracic and abdominal wall divided and removed, liver and omentum divided and removed. Lungs reflected to show heart and pericardium, stomach, gastroepiploic arteries, gallbladder, and intestines. Ribs, pericardium, diaphragm, aorta, superior and inferior vena cava partly visible. Male cadaver, anterior view.